Internal grinding machine positioning device for repairing and scraping steam blocking sheet

Abstract

The utility model discloses an internal grinding machine positioning device for repairing and scraping a steam blocking sheet, and relates to the technical field of grinding. An internal grinding machine positioning device for repairing and scraping a steam blocking piece comprises an internal grinding machine sleeve, a first adjusting plate is fixedly connected to the top of the internal grinding machine sleeve, a first through groove is formed in the first adjusting plate, a height supporting rod and the internal grinding machine sleeve can be adjusted in a sliding mode to adapt to different heights of the steam blocking piece, and a threaded rod is fixedly connected to the tail of the height supporting rod. Fine adjustment can be performed through the nut to control the height. An elbow is designed on the front section of the positioning adjusting rod and used for being attached to the root of the air blocking piece, the top of the positioning adjusting rod is attached to the inner wall of a cylinder body, effective supporting can be achieved during grinding, the positioning adjusting rod needs to be ground in a radian sliding mode along with the air blocking piece, the front end of the positioning adjusting rod is a main stress point and is subjected to thermal refining, the hardness is high, and the service life of the positioning adjusting rod is prolonged. And the whole positioning adjusting rod and the height supporting rod can be adjusted in a sliding manner to adapt to the air blocking sheets with different distances.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding, in particular to an internal grinding machine positioning device used for scraping steam barrier sheets. Background Art

[0002] At present, a steam baffle seal tooth is used in the seal of high-speed rotating equipment such as steam turbines. After a long time of use, the steam baffle will be worn and the gap will become larger, resulting in poor sealing. During each cylinder overhaul, the severely worn steam baffle must be replaced, and the gap of the newly installed steam baffle needs to be readjusted. Repairing and scraping the steam baffle is an indispensable task in the overhaul process of thermal power plants.

[0003] The traditional adjustment method is to pull the 1-2 ton partition to outside the factory for processing, and use a large vertical lathe to turn the steam baffle. The adjustment process sometimes requires repeated adjustments and multiple vehicle transportation. The process consumes a lot of manpower and material resources, and the efficiency is relatively low, resulting in delayed maintenance time. Therefore, we propose an internal grinder positioning device for scraping steam baffles. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide an internal grinding machine positioning device for scraping steam baffles, which can solve the problems of repeated adjustments of the steam baffles during the maintenance process, long processing time and great processing difficulty.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an internal grinding machine positioning device for scraping steam barrier sheets, comprising:

[0006] An inner grinding mill sleeve, a first adjustment plate is fixedly connected to the top of the inner grinding mill sleeve, a first through slot is opened inside the first adjustment plate, a height support rod is slidably connected inside the first through slot, a second adjustment plate is fixedly connected to one side of the height support rod, a second through slot is opened inside the second adjustment plate, a positioning adjustment rod is slidably connected inside the second through slot.

[0007] Preferably, the bottom end of the positioning adjustment rod is provided with an elbow for fitting with the root of the air blocking sheet.

[0008] Preferably, a threaded rod is fixedly connected to a side of the height support rod away from the second adjustment plate, and a nut is threadedly sleeved on an outer surface of the threaded rod.

[0009] Preferably, the outer surface of the inner grinding machine sleeve is provided with a plurality of mounting holes connected with the interior thereof.

[0010] Preferably, two second positioning holes are formed on a side of the positioning adjustment rod away from the height support rod.

[0011] Preferably, two first positioning holes communicating with the interior of the first through groove are formed on the top of the first adjustment plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The internal grinding machine positioning device used for scraping steam baffles has a height support rod and an internal grinding machine sleeve that can be slidably adjusted to adapt to different heights of the steam baffles. The tail is fixedly connected with a threaded rod, which can be fine-tuned by a nut to control the height. The front section of the positioning adjustment rod is designed with an elbow to fit the root of the steam baffle, and the top fits the inner wall of the cylinder, so that it can provide effective support during grinding. Since it is necessary to slide and grind along the arc of the steam baffle, the front end of the positioning adjustment rod is the main stress point. It has been tempered and has a higher hardness, which extends the service life of the positioning adjustment rod. The entire positioning adjustment rod and the height support rod can also be slidably adjusted to adapt to steam baffles at different distances.

[0014] (2) The internal grinding machine positioning device for scraping the steam barrier is fixed with bolts between the internal grinding machine sleeve, the height support rod and the sliding part of the internal grinding machine sleeve. The overall design is not adopted in order to be applicable to various forms of scraping the steam barrier, and the operation is convenient. The device is light and easy to carry, and can be adjusted and scraped by a single person on site. The efficiency of on-site inspection and adjustment of the steam barrier is greatly improved, and the consumption of manpower and material resources is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal grinding machine sleeve structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the planar structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the installation structure of the inner grinding machine sleeve of the utility model.

[0020] Figure numerals: 1. inner grinding machine sleeve; 2. mounting hole; 3. first adjustment plate; 4. first positioning hole; 5. first through groove; 6. threaded rod; 7. nut; 8. height support rod; 9. positioning adjustment rod; 10. second through groove; 11. second adjustment plate; 12. second positioning hole. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0024] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0025] See also Figure 1-4 The utility model provides a technical solution: an internal grinding machine positioning device for scraping steam baffles, comprising:

[0026] An inner grinding mill sleeve 1, a first adjustment plate 3 is fixedly connected to the top of the inner grinding mill sleeve 1, a first through slot 5 is opened inside the first adjustment plate 3, a height support rod 8 is slidably connected inside the first through slot 5, a second adjustment plate 11 is fixedly connected to one side of the height support rod 8, a second through slot 10 is opened inside the second adjustment plate 11, a positioning adjustment rod 9 is slidably connected inside the second through slot 10.

[0027] The bottom end of the positioning adjustment rod 9 is provided with an elbow for fitting the root of the air blocking sheet. The side of the height support rod 8 away from the second adjustment plate 11 is fixedly connected with a threaded rod 6, and a nut 7 is threadedly sleeved on the outer surface of the threaded rod 6.

[0028] The outer surface of the inner grinding machine sleeve 1 is provided with a plurality of mounting holes 2 connected with the interior thereof, the side of the positioning adjustment rod 9 away from the height support rod 8 is provided with two second positioning holes 12, and the top of the first adjustment plate 3 is provided with two first positioning holes 4 connected with the interior of the first through groove 5.

[0029] The height support rod 8 and the inner grinding machine sleeve 1 can be slidably adjusted to adapt to different air-blocking plate heights. The tail is fixedly connected with a threaded rod 6, which can be fine-tuned by a nut 7 to control the height. The front section of the positioning adjustment rod 9 is designed with an elbow to fit the root of the air-blocking plate, and the top fits the inner wall of the cylinder body, so that it can provide effective support during grinding. Since it is necessary to slide and grind along the arc of the air-blocking plate, the front end of the positioning adjustment rod 9 is the main stress point. It has been tempered and has a higher hardness, which extends the service life of the positioning adjustment rod 9. The entire positioning adjustment rod 9 and the height support rod 8 can also be slidably adjusted to adapt to air-blocking plates of different distances.

[0030] The inner grinding machine sleeve 1, the height support rod 8 and the positioning adjustment rod 9 are all fixed with bolts at the sliding parts. The overall design is not adopted in order to be applicable to various forms of air barrier scraping. The operation is convenient, the device is light and easy to carry, and the adjustment and scraping can be performed by one person on site, which greatly improves the efficiency of on-site maintenance and adjustment of air barrier plates and reduces the consumption of manpower and material resources.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A positioning device for an internal grinding machine used for scraping steam baffles, characterized in that: include: An inner grinding machine sleeve (1), the top of which is fixedly connected to a first adjustment plate (3), a first through slot (5) is provided inside the first adjustment plate (3), and a height support rod (8) is slidably connected inside the first through slot (5); Wherein, a second adjustment plate (11) is fixedly connected to one side of the height support rod (8), and a second through slot (10) is provided inside the second adjustment plate (11); A positioning adjustment rod (9) is slidably connected inside the second through slot (10).

2. The internal grinding machine positioning device for scraping steam baffles according to claim 1 is characterized in that: The bottom end of the positioning adjustment rod (9) is provided with an elbow for fitting the root of the air blocking sheet.

3. The internal grinding machine positioning device for scraping steam baffles according to claim 1 is characterized in that: A threaded rod (6) is fixedly connected to the side of the height support rod (8) away from the second adjustment plate (11), and a nut (7) is threadedly sleeved on the outer surface of the threaded rod (6).

4. The internal grinding machine positioning device for scraping steam baffles according to claim 1 is characterized in that: The outer surface of the inner grinding machine sleeve (1) is provided with a plurality of mounting holes (2) which are in communication with the interior thereof.

5. The internal grinding machine positioning device for scraping steam baffles according to claim 1, characterized in that: Two second positioning holes (12) are formed on a side of the positioning adjustment rod (9) away from the height support rod (8).

6. The internal grinding machine positioning device for scraping steam baffles according to claim 1, characterized in that: The top of the first adjustment plate (3) is provided with two first positioning holes (4) which are in communication with the interior of the first through groove (5).

Images